UnionIterator (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.util.UnionIterator<T>

Type Parameters:

T - The type returned by the iterator.

All Implemented Interfaces:

Iterable<T>, Iterator<T>
```
@Internal
public class UnionIterator<T>
extends Object
implements Iterator<T>, Iterable<T>
```
An iterator that concatenates a collection of iterators. The UnionIterator is a mutable, reusable type.

Constructor Summary

Constructors
Constructor Description

UnionIterator()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`add(Iterator<T> iterator)`
`void`	`addList(List<T> list)`
`void`	`clear()`
`boolean`	`hasNext()`
`Iterator<T>`	`iterator()`
`T`	`next()`
`void`	`remove()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Methods inherited from interface java.util.Iterator
forEachRemaining

- Constructor Detail
  - UnionIterator
```
public UnionIterator()
```
- Method Detail
  - clear
```
public void clear()
```
  - addList
```
public void addList(List<T> list)
```
  - add
```
public void add(Iterator<T> iterator)
```
  - iterator
```
public Iterator<T> iterator()
```
    Specified by:
    
    iterator in interface Iterable<T>
  - hasNext
```
public boolean hasNext()
```
    Specified by:
    
    hasNext in interface Iterator<T>
  - next
```
public T next()
```
    Specified by:
    
    next in interface Iterator<T>
  - remove
```
public void remove()
```
    Specified by:
    
    remove in interface Iterator<T>